Fixed a compilation failure due to a dependency package compiled using c++17.

Signed-off-by: cherry530 <707078654@qq.com>

netdata.spec

@@ -8,7 +8,7 @@
 %global upver        1.42.1
 Name:                netdata
 Version:             1.42.1
-Release:             1
+Release:             2
 Summary:             Real-time performance monitoring
 License:             GPLv3 and GPLv3+ and ASL 2.0 and CC-BY-4.0 and MIT and WTFPL
 URL:                 https://github.com/%{name}/%{name}/
@@ -92,6 +92,7 @@ rm -rf web/fonts web/gui/dashboard/static/media
 cp %{SOURCE5} .
 
 %build
+export HAVE_CXX17="1"
 autoreconf -ivf
 %configure \
     --prefix=%{_prefix} \
@@ -279,6 +280,9 @@ fi
 %attr(4755,root,root) %{_libexecdir}/%{name}/plugins.d/freeipmi.plugin
 
 %changelog
+* Tue Apr 09 2024 xu_ping <707078654@qq.com> - 1.42.1-2
+- Fixed a compilation failure due to a dependency package compiled using c++17.
+
 * Thu Aug 24 2023 chenchen <chen_aka_jan@163.com> - 1.42.1-1
 - Upgrade to version 1.42.1